We are working with the coalition [against Isis] on foreign fighter detainees, and generally expect these detainees to return to their country of origin.

That may be an appropriate disposition for many of these foreign fighters. However, there are two such combatants in SDF control—El Shafee Elsheikh and Alexanda Amon Kotey—who can, and should, be prosecuted here in the United States in federal courts.